154269056393 has 2 divisors, whose sum is σ = 154269056394. Its totient is φ = 154269056392.

The previous prime is 154269056353. The next prime is 154269056407. The reversal of 154269056393 is 393650962451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 149183655049 + 5085401344 = 386243^2 + 71312^2 .

It is a cyclic number.

It is not a de Polignac number, because 154269056393 - 2³⁶ = 85549579657 is a prime.

It is a super-2 number, since 2×154269056393² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (154269056353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77134528196 + 77134528197.

It is an arithmetic number, because the mean of its divisors is an integer number (77134528197).

Almost surely, 2^154269056393 is an apocalyptic number.

It is an amenable number.

154269056393 is a deficient number, since it is larger than the sum of its proper divisors (1).

154269056393 is an equidigital number, since it uses as much as digits as its factorization.

154269056393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5248800, while the sum is 53.

The spelling of 154269056393 in words is "one hundred fifty-four billion, two hundred sixty-nine million, fifty-six thousand, three hundred ninety-three".